1. Research Institute of Applied Chemistry, University of Miskolc, P.O. Box 2, H-3515 Miskolc-Egyetemváros, Hungary
2. Department of Chemistry and iNano Interdisciplinary Nanoscience Center, University of Aarhus, 140 Langelandsgade, DK-8000 Aarhus C, Denmark
3. Institute of Macromolecular Chemistry, 2 Heyrovsky Square, 16202 Prague, Czech Republic
4. Institute of Biophysics and X-ray Structure Research, 6 Schmiedlstrasse, A-8042 Graz, Austria
5. Institute for Solid State Physics and Optics, P.O. Box 49, H-1525 Budapest, Hungary
6. Department of Colloid Chemistry, Eötvös Loránd University, P.O. Box 32, H-1518 Budapest, Hungary